1901472820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{12853}}^1$

素因数の和:13444

約数の個数: 48

約数和(自身を含む): 4308146640

約数和(自身を除く): 2406673820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 569, 1138, 2276, 2845, 5690, 7397, 11380, 12853, 14794, 25706, 29588, 36985, 51412, 64265, 73970, 128530, 147940, 167089, 257060, 334178, 668356, 835445, 1670890, 3341780, 7313357, 14626714, 29253428, 36566785, 73133570, 95073641, 146267140, 190147282, 380294564, 475368205, 950736410, 1901472820]

約数ペア:

[(1, 1901472820), (2, 950736410), (4, 475368205), (5, 380294564), (10, 190147282), (13, 146267140), (20, 95073641), (26, 73133570), (52, 36566785), (65, 29253428), (130, 14626714), (260, 7313357), (569, 3341780), (1138, 1670890), (2276, 835445), (2845, 668356), (5690, 334178), (7397, 257060), (11380, 167089), (12853, 147940), (14794, 128530), (25706, 73970), (29588, 64265), (36985, 51412)]